The Goalie Sock; Available in 3 Colors, These over the Knee Socks Feature a Built in Reciprocated Knee Design and Can Hold Shin Pads in Place. They Are Designed with Safety and Comfort in Mind with Ankle Support, Arch Support and a Mesh Back for Air Flow. It Offers Great Knee Protection and Is Perfect for Any Goalkeeper. Medium ( Sock Size Medium, Ladies Shoe Size 5-10, Mens Shoe Size 4.5-8.5 ) Large ( Sock Size Large, Ladies Shoe Size 11-12, Mens Shoe Size 9-12.5 )